Example
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
on the fly
CEFR B2while something is happening, without prior preparation
Neutral
easier said than done
CEFR B1Something that sounds simple to do but is actually hard.
Neutral
for the time being
CEFR B1temporarily, until circumstances change
Neutral
back to square one
CEFR B2to return to the beginning of a task after an attempt has failed
Neutral
back to the drawing board
CEFR B2to start planning or designing again after an idea or attempt has failed
Neutral
bite off more than you can chew
CEFR B2to take on more work than you can handle
Informal
Source methodology
Meanings, register, CEFR, and examples come from the reviewed dictionary record. Expression notes may describe a reviewed present-day word picture or a background note; they are not presented as verified etymology.